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/// \file feature-extractor-test.C
/// Test driver for the reranker::FeatureExtractor and
/// reranker::FeatureExtractorFactory classes.
/// \author dbikel@google.com (Dan Bikel)

#include <iostream>
#include <tr1/memory>

#include "candidate.H"
#include "candidate-set.H"
#include "feature-extractor.H"
#include "example-feature-extractor.H"

using namespace std;
using namespace std::tr1;
using namespace reranker;

int
main(int argc, char **argv) {
  Factory<FeatureExtractor> factory;
  shared_ptr<FeatureExtractor> example_feature_extractor1 =
      factory.CreateOrDie("ExampleFeatureExtractor(arg(\"my_feats:\"))", "");

  shared_ptr<FeatureExtractor> example_feature_extractor2 =
      factory.CreateOrDie("ExampleFeatureExtractor(b(true), "
                                                  "arg(\"your_feats:\"))", "");

  shared_ptr<FeatureExtractor> example_feature_extractor3 =
      factory.CreateOrDie("ExampleFeatureExtractor(arg(\"whose_feats:\"), "
                          "strvec({\"foo\", \"bar\", \"baz\"}))", "");

  shared_ptr<FeatureExtractor> example_feature_extractor4 =
      factory.CreateOrDie("ExampleFeatureExtractor(b(true))", "");

  CandidateSet candidate_set("test candidate set");
  candidate_set.set_reference_string("This is a reference string.");
  shared_ptr<Candidate> c1(new Candidate(0, 0.1, 0.7, 5,
                                         "This is a silly string."));
  candidate_set.AddCandidate(c1);
  shared_ptr<Candidate> c2(new Candidate(1, 0.2, 0.8, 5,
                                         "This is a sillier string."));
  candidate_set.AddCandidate(c2);

  example_feature_extractor1->Extract(candidate_set);
  example_feature_extractor2->Extract(candidate_set);
  example_feature_extractor3->Extract(candidate_set);

  cout << candidate_set << endl;
}
